When we see green water, we humans tend to think of algae or mould - it's hard to change that way of thinking. A pale , sandy pebblecrete will look like a sandy lagoon, whereas a blue will be more eye-catching. We replaced the second liner of our pool with blue tiles . It's quite a large pool, so we went for a dark blue, I still love the colour nearly ten years later.

For my mind the raised one not only looks better but also, for some reason, feels nicer when soaking (maybe it's a "Lord/Lady of the Manor" thing :) ).

We built a pool exactly the same, however we didnt use laminated glass but a monolithic piece of 80mm thick Plexiglass 3mx2m from Germany. This reduced the overall cost of the pool considerably. Pool was fantastic and doubled as a water feature when not in use. Incorporating LED lighting allowed the pool to take on the mood of the night. The only downside we found with the pool was that after heaving swimming and sunscreen the waterline of the Plexiglass would need a clean. Other than that it gained lots of comments and was even used for photo shoots and promo work.

I have! I love white, but I find that they show dirt a lot more than darker colours. Also, since the pool will be unheated, I would prefer to go darker for warmth.